Patents Assigned to VGX PHARMACEUTICALS
  • Publication number: 20190167983
    Abstract: Devices and methods for delivering an electropermeabilizing pulse of electric energy to a tissue surface to enable delivery into cells in the tissue therapeutic substances. The device incorporates a source capable of generating a sufficient voltage potential to deliver a spark across a gap and delivers same to the tissue surface.
    Type: Application
    Filed: February 11, 2019
    Publication date: June 6, 2019
    Applicant: VGX Pharmaceuticals, LLC
    Inventors: Thomas Joseph KARDOS, Stephen Vincent KEMMERRER, Rune KJEKEN, Kate BRODERICK, Jay MCCOY, Michael P. FONS
  • Patent number: 10232173
    Abstract: Devices and methods for delivering an electropermeabilizing pulse of electric energy to a tissue surface to enable delivery into cells in the tissue therapeutic substances. The device incorporates a source capable of generating a sufficient voltage potential to deliver a spark across a gap and delivers same to the tissue surface.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: March 19, 2019
    Assignee: VGX Pharmaceuticals, LLC
    Inventors: Thomas Joseph Kardos, Stephen Vincent Kemmerer, Rune Kjeken, Kate Broderick, Jay McCoy, Michael P Fons
  • Patent number: 9452285
    Abstract: Aspects of the present invention relate to electroporation devices and methods of using same to effectively facilitate the introduction of a biomolecule into cells of a selected tissue in a body, in particular skin such as intradermic or subcutaneous tissue. In some aspects, the present invention is a skin EP device, which produces a pulse of energy and delivers same to the skin tissue using a skin electrode array and maintains a constant current in the same skin tissue based on user input, including a preset current, and allows the storage and acquisition of current waveform data.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: September 27, 2016
    Assignee: VGX Pharmaceuticals, Inc.
    Inventors: Ruxandra Draghia-Akli, Amir S. Khan
  • Patent number: 8961994
    Abstract: Aspects of the present invention relate to isolated nucleic acids that encode a consensus DIII domain of protein E and vaccines made using same, and also methods for using the aforementioned to generate in a host an immune response against multiple serotypes of flavivirus, particularly West Nile virus and Japanese encephalitis virus.
    Type: Grant
    Filed: November 17, 2009
    Date of Patent: February 24, 2015
    Assignee: VGX Pharmaceuticals, LLC
    Inventors: Mathura P. Ramanathan, Niranjan Y Sardesai
  • Patent number: 8962818
    Abstract: Compositions and kits comprising a nucleotide sequence that encodes GHRH and a nucleotide sequence that encodes GnRH and compositions and kits comprising a GHRH protein and GnRH protein are disclosed. Use of such compositions and kits in methods of enhancing fertility in mammals comprising the step of administering said compositions to the mammal are disclosed.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: February 24, 2015
    Assignee: VGX Pharmaceuticals, Inc.
    Inventors: Ruxandra Draghia-Akli, Amir Khan, Patricia Brown
  • Patent number: 8927508
    Abstract: There are provided methods of generating antibodies in a mammal against recombinant antigens using DNA plasmids capable of expressing said antigens in cells of said mammal, comprising: injecting into tissue of said mammal a DNA plasmid comprising an encoding sequence operably linked to a promoter, electroporating said tissue with an electroporation device capable of delivering an electrical pulse effective to electroporate cells of said tissue to allow entry of said DNA plasmid and expression of said antigen, and allowing said mammal to respond to said expressed antigen in order to generate antibodies to said antigen. Furthermore, there are provided methods of isolating antibodies specific against desired antigens wherein said antibodies are generated in a mammal using DNA plasmids capable of expressing said antigens.
    Type: Grant
    Filed: November 14, 2008
    Date of Patent: January 6, 2015
    Assignee: VGX Pharmaceuticals, Inc.
    Inventors: Ruxandra Draghia-Akli, Amir S. Khan
  • Patent number: 8835620
    Abstract: An aspect of the present invention is related to nucleic acid constructs capable of expressing a polypeptide that elicits an immune response in a mammal against more than one subtype of dengue virus, and methods of use thereof. Additionally, there are DNA plasmid vaccines capable of generating in a mammal an immune response against a plurality of dengue virus subtypes, comprising a DNA plasmid and a pharmaceutically acceptable excipient, and methods of use thereof. The DNA plasmid is capable of expressing a consensus dengue antigen in a cell of the mammal in a quantity effective to elicit an immune response in the mammal.
    Type: Grant
    Filed: January 12, 2009
    Date of Patent: September 16, 2014
    Assignee: VGX Pharmaceuticals, LLC
    Inventors: Mathura P. Ramanathan, Niranjan Sardesai
  • Patent number: 8563302
    Abstract: One aspect of the current invention is an optimized synthetic mammalian expression plasmid with a mutated origin of replication (e.g. “mut” family of plasmids) comprising a therapeutic element, and a replication element. The therapeutic elements of this plasmid are operatively linked and located in a first operatively-linked arrangement. Additionally, the optimized synthetic mammalian expression plasmid comprises replication elements, wherein the replication elements are operatively linked and located in a second operatively-linked arrangement. The first-operatively-linked arrangement and the second-operatively-linked arrangement comprise a circular structure of the codon optimized synthetic mammalian expression plasmid.
    Type: Grant
    Filed: November 17, 2010
    Date of Patent: October 22, 2013
    Assignee: VGX Pharmaceuticals, Inc.
    Inventors: Ruxandra Draghia-Akli, Melissa Pope
  • Patent number: 8481504
    Abstract: Composition and method for stimulating angiogenesis, stimulating myogenesis, upregulating angiogenic factors and angiopoietins, and treating the muscular and vascular complications of diabetes. Overall, the embodiments of the invention can be accomplished by delivering a heterologous nucleic acid sequence encoding insulin-like growth factor I (“IGF-I”) or a functional biological equivalent thereof into the cells of the subject and allowing expression of the encoded gene to occur while the modified cells are within the subject. The nucleic acid sequence maybe delivered by a vector system including a synthetic myogenic promoter and a 3? untranslated region. The preferred method to deliver the constitutive or inducible nucleic acid encoding sequences of IGF-I or the functional biological equivalents thereof is directly into the cells of the subject by the process of in vivo electroporation.
    Type: Grant
    Filed: March 11, 2004
    Date of Patent: July 9, 2013
    Assignee: VGX Pharmaceuticals, Inc.
    Inventors: Eric D. Rabinovsky, Ruxandra Draghia-Akli
  • Patent number: 8209006
    Abstract: An electroporation device which may be used to effectively facilitate the introduction of a macromolecule into cells of a selected tissue in a body or plant. The electroporation device comprises an electro-kinetic device (“EKD”) whose operation is specified by software or firmware. The EKD produces a series of programmable constant-current pulse patterns between electrodes in an array based on user control and input of the pulse parameters and allows the storage and acquisition of current waveform data. The electroporation device also comprises a replaceable electrode disk having an array of needle electrodes, a central injection channel for an injection needle, and a removable guide disk.
    Type: Grant
    Filed: September 8, 2003
    Date of Patent: June 26, 2012
    Assignee: VGX Pharmaceuticals, Inc.
    Inventors: Louis C. Smith, Ruxandra Draghia-Akli, Amir S. Khan, Robert H. Carpenter, Jeff Darnell
  • Patent number: 8188056
    Abstract: One aspect of the current invention is a method of preventing and/or treating arthritis and/or preventing or treating lameness in a subject. Additionally, subject quality of life and welfare, and body condition scores are improved by utilizing methodology that administers the nucleic acid expression construct encoding a GHRH or functional biological equivalent to a subject through a parenteral route of administration. Following a single dose of nucleic acid expression vector, subjects are healthier and effects are demonstrated long term without additional administration(s) of the expression construct.
    Type: Grant
    Filed: December 17, 2004
    Date of Patent: May 29, 2012
    Assignee: VGX Pharmaceuticals, Inc.
    Inventors: Ruxandra Draghia-Akli, Patricia A. Brown, David Hood
  • Patent number: 8178504
    Abstract: The present invention pertains to compositions and methods useful for treating anemia and other effects that are commonly associated in cancer bearing animals. The invention is accomplished by delivering an effective amount of a nucleic acid expression construct that encodes a GHRH or functional biological equivalent thereof into a tissue of an animal and allowing expression of the encoded gene in the animal.
    Type: Grant
    Filed: March 21, 2007
    Date of Patent: May 15, 2012
    Assignee: VGX Pharmaceuticals, Inc.
    Inventors: Ruxandra Draghia-Akli, Robert H. Carpenter, Douglas R. Kern, Robert J. Schwartz, Glen King, Kevin Hahn, Malcolm K. Brenner
  • Publication number: 20120046598
    Abstract: Devices and methods for delivering an electropermeabilizing pulse of electric energy to a tissue surface to enable delivery into cells in the tissue therapeutic substances. The device incorporates a source capable of generating a sufficient voltage potential to deliver a spark across a gap and delivers same to the tissue surface.
    Type: Application
    Filed: April 16, 2010
    Publication date: February 23, 2012
    Applicant: VGX PHARMACEUTICALS, LLC
    Inventors: Thomas Joseph Kardos, Stephen Vincent Kemmerer, Rune Kjeken, Kate Broderick, Jay McCoy, Michael P Fons
  • Patent number: 8058253
    Abstract: This invention is related to compositions and methods for decreasing cholesterol levels in a subject. The method utilizes a nucleic acid expression construct that encodes a growth-hormone-releasing-hormone (“GHRH”) that is delivered into a tissue of the subject, wherein, GHRH is expressed in vivo in the subject.
    Type: Grant
    Filed: July 5, 2007
    Date of Patent: November 15, 2011
    Assignee: VGX Pharmaceuticals, Inc.
    Inventors: Ruxandra Draghia-Akli, Amir S. Khan, Marta L. Fiorroto
  • Publication number: 20110070640
    Abstract: One aspect of the current invention is an optimized synthetic mammalian expression plasmid with a mutated origin of replication (e.g. “mut” family of plasmids) comprising a therapeutic element, and a replication element. The therapeutic elements of this plasmid are operatively linked and located in a first operatively-linked arrangement. Additionally, the optimized synthetic mammalian expression plasmid comprises replication elements, wherein the replication elements are operatively linked and located in a second operatively-linked arrangement. The first-operatively-linked arrangement and the second-operatively-linked arrangement comprise a circular structure of the codon optimized synthetic mammalian expression plasmid.
    Type: Application
    Filed: November 17, 2010
    Publication date: March 24, 2011
    Applicant: VGX PHARMACEUTICALS, LLC
    Inventors: Ruxandra DRAGHIA-AKLI, Melissa POPE
  • Publication number: 20110034544
    Abstract: Compositions and kits comprising a nucleotide sequence that encodes GHRH and a nucleotide sequence that encodes GnRH and compositions and kits comprising a GHRH protein and GnRH protein are disclosed. Use of such compositions and kits in methods of enhancing fertility in mammals comprising the step of administering said compositions to the mammal are disclosed.
    Type: Application
    Filed: March 6, 2009
    Publication date: February 10, 2011
    Applicant: VGX PHARMACEUTICALS, LLC
    Inventors: Ruxandra Draghia-Akli, Amir Khan, Patricia Brown
  • Patent number: 7846720
    Abstract: One aspect of the current invention is an optimized synthetic mammalian expression plasmid with a mutated origin of replication (e.g. “mut” family of plasmids). This new plasmid comprises a therapeutic element, and a replication element. The therapeutic element of the new plasmid comprises a eukaryotic promoter; a 5? untranslated region (“UTR”); a codon-optimized-eukaryotic therapeutic gene sequence; and a poly adenylation signal. The therapeutic elements of this plasmid are operatively linked and located in a first operatively-linked arrangement. Additionally, the optimized synthetic mammalian expression plasmid comprises replication elements, wherein the replication elements are operatively linked and located in a second operatively-linked arrangement. The replication elements comprise a selectable marker gene promoter, a ribosomal binding site, a selectable marker gene sequence, and an improved origin of replication.
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: December 7, 2010
    Assignee: VGX Pharmaceuticals, Inc.
    Inventors: Ruxandra Draghia-Akli, Melissa Pope
  • Publication number: 20100291144
    Abstract: An aspect of the present invention is related to nucleic acid constructs capable of expressing a polypeptide that elicits an immune response in a mammal against more than one subtype of dengue virus, and methods of use thereof. Additionally, there are DNA plasmid vaccines capable of generating in a mammal an immune response against a plurality of dengue virus subtypes, comprising a DNA plasmid and a pharmaceutically acceptable excipient, and methods of use thereof. The DNA plasmid is capable of expressing a consensus dengue antigen in a cell of the mammal in a quantity effective to elicit an immune response in the mammal.
    Type: Application
    Filed: January 12, 2009
    Publication date: November 18, 2010
    Applicant: VGX PHARMACEUTICALS, LLC
    Inventors: Mathura P Ramanathan, Niranjan Y Sardesai
  • Publication number: 20100247437
    Abstract: The present invention is directed towards materials and methods of delivering biomolecules to cells that define an organ, and the organ being in situ, and electroporating cells defining the organ by delivering to the cells an amount of energy effective to electroporate the cells. The present invention is also directed towards materials and methods of expressing heterologous polypeptides in organs of a subject and electroporating cells defining the organ by delivering to the cells an amount of energy effective to electroporate the cells.
    Type: Application
    Filed: September 24, 2008
    Publication date: September 30, 2010
    Applicant: VGX PHARMACEUTICALS, LLC
    Inventor: Ruxandra Draghia-Akli
  • Patent number: 7664545
    Abstract: The present invention relates to a modular electrode system, and its use, for facilitating the introduction of a macromolecule into cells of a selected tissue in a body or plant. The modular electrode system comprises a non-symmetrically arranged plurality of needle electrodes; a hypodermic needle; an electrical connector that provides a conductive link from a programmable constant-current pulse controller to the plurality of needle electrodes; and a power source. In a preferred embodiment of the present invention, an operator can grasp the plurality of needle electrodes that are mounted on a support structure and firmly insert the them into the selected tissue in a body or plant. The macromolecules are then delivered via the hypodermic needle into the selected tissue. The programmable constant-current pulse controller is activated and constant-current electrical pulse is applied to the plurality of needle electrodes.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: February 16, 2010
    Assignee: VGX Pharmaceuticals, Inc.
    Inventors: Allan Westersten, William R. Wilkinson, Ruxandra Draghia-Akli, Robert H. Carpenter, Douglas R. Kern